2002102210122 has 96 divisors (see below), whose sum is σ = 4817855232000. Its totient is φ = 552466020960.

The previous prime is 2002102210111. The next prime is 2002102210169. The reversal of 2002102210122 is 2210122012002.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4327773 + ... + 4767999.

It is an arithmetic number, because the mean of its divisors is an integer number (50185992000).

Almost surely, 2^{2002102210122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2002102210122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2408927616000).

2002102210122 is an abundant number, since it is smaller than the sum of its proper divisors (2815753021878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2002102210122 is a wasteful number, since it uses less digits than its factorization.

2002102210122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440776 (or 440769 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2002102210122 its reverse (2210122012002), we get a palindrome (4212224222124).

The spelling of 2002102210122 in words is "two trillion, two billion, one hundred two million, two hundred ten thousand, one hundred twenty-two".